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SMDK5250: SPL: Define parametric board initializer

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Define table-driven configuration mechanism for SMDK5250
rather than hard-coding board initialization parameters.

Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Rajeshwari Shinde 2012-07-03 20:02:52 +00:00 committed by Albert ARIBAUD
parent 589c397169
commit 9c46f0344e
2 changed files with 69 additions and 0 deletions
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1
board/samsung/smdk5250/Makefile
View File

@ -29,6 +29,7 @@ SOBJS := lowlevel_init.o
COBJS := clock_init.o COBJS := clock_init.o
COBJS += dmc_init.o COBJS += dmc_init.o
COBJS += tzpc_init.o COBJS += tzpc_init.o
COBJS += smdk5250_spl.o
ifndef CONFIG_SPL_BUILD ifndef CONFIG_SPL_BUILD
COBJS += smdk5250.o COBJS += smdk5250.o

68
board/samsung/smdk5250/smdk5250_spl.c Normal file
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2012 The Chromium OS Authors.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/arch/cpu.h>
#include <asm/arch/spl.h>
#include <asm/arch/clk.h>
#define SIGNATURE 0xdeadbeef
/* Parameters of early board initialization in SPL */
static struct spl_machine_param machine_param
__attribute__((section(".machine_param"))) = {
.signature = SIGNATURE,
.version = 1,
.params = "vmubfasirM",
.size = sizeof(machine_param),
.mem_iv_size = 0x1f,
.mem_type = DDR_MODE_DDR3,
/*
* Set uboot_size to 0x100000 bytes.
*
* This is an overly conservative value chosen to accommodate all
* possible U-Boot image. You are advised to set this value to a
* smaller realistic size via scripts that modifies the .machine_param
* section of output U-Boot image.
*/
.uboot_size = 0x100000,
.boot_source = BOOT_MODE_OM,
.frequency_mhz = 800,
.arm_freq_mhz = 1700,
.serial_base = 0x12c30000,
.i2c_base = 0x12c60000,
.mem_manuf = MEM_MANUF_SAMSUNG,
};
struct spl_machine_param *spl_get_machine_params(void)
{
if (machine_param.signature != SIGNATURE) {
/* Will hang if SIGNATURE dont match */
while (1)
;
}
return &machine_param;
}